Finding the Fourth Proportional to 182,428,992.70, 273,261,946.65 and 85,467,456.70
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Solution
The fourth proportional to 182,428,992.70, 273,261,946.65 and 85,467,456.70 is: 128,022,433.54
Step by Step Solution
- Step 1: Write the proportion equation
182,428,992.70 : 273,261,946.65 = 85,467,456.70 : x - Step 2: Convert to fraction form
182,428,992.70/273,261,946.65 = 85,467,456.70/x - Step 3: Cross multiply
182,428,992.70x = 273,261,946.65 × 85,467,456.70 - Step 4: Simplify right side
182,428,992.70x = 23,355,003,593,066,584 - Step 5: Solve for x
x = 23,355,003,593,066,584/182,428,992.70 - Step 6: Final answer
x = 128,022,433.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.